Samsung Svr-623, Svr-629, Sv-620b, SV-627F-XEF Alignment and Adjustments
Samsung Electronics
2-1
2. Alignment and Adjustment
2-1 Reference
1) X-Point (Tracking center) adjustment, “Head switching adjustment” and “NVRAM option setting” can be adjusted with remote control.
2) When replacing the Micom (IC601) and NVRAM (IC605 ; EEPROM) be sure to adjust the “Head switching adjustment” and
“NVRAM option setting”.
3) When replacing the cylinder ass’y, be sure to adjust the “X-Point” and “Head switching adjustment”.
4) Among Samsung VCR remote control used for adjustment as a accessory, only the remote control that has figures buttons (0 ~ 9) is
available for all adjustment regardless of chassis.
5) How to adjustment.
- Press the “SW718 (TEST)” button on Main PCB to set the adjustment mode.
- If the corresponding adjustment button is pressed, the adjustment is performed automatically.
- If the adjustment is completed, be sure to turn the power off.
2-1-1 Location of adjustment button of remote control
Fig. 2-1
<This type of remote control can adjust.>
<This type of remote control can not adjust.>
Remote Control for adjustment is not supplied as a Service Jig.
R
E
P
E
A
T
POWER DISPLAY
CNT.RESET SPEED
IIP/S IPC
TRK
REC MENU
Head Switching Adjustment
("SPEED" Button)
NVRAM Option Setting
("MENU" Button)
X-Point (Tracking Center) Adjustment
("5" Button)
VCR POWER TV POWER
TV
SLOW
VCR
DISP./
SHUTTLE
V-LOCK
CLR/RST F.ADV
-/--
INPUT INDEX
VOL PROG/TRK
R
E
C
M
E
N
U
A
U
D
I
O
S
P
E
E
D
REPEAT
OK
2-2
Samsung Electronics
Alignment and Adjustment
2-1-2 SW718 (TEST) location for adjustment mode setting
Fig. 2-2 Main PCB (Top View)
PRESS
Alignment and Adjustment
Samsung Electronics
2-3
2-2 Mechanical Adjustment
Note : Refer to the Mechanical Manual ÒDX-9R (AC68-00001A)Ó for the adjustment and confirmation of
assÕy full deck.
2-2-1 The number and position of test point
Test point : TP601 (H’D S/W -Trigger) TP301 (Video output)
TP602 (Control Pulse) TP302 (Audio output)
TP303 (Envelope)
Fig. 2-3 Location of Test point (Main PCB-Top View)
AUDIO OUTPUT
HEAD SWITCHING
ENVELOPE
2-2-1 ACE Head Position (X-Point) Adjustment
(See the 2-2-1(d) ACE Head Position (X-Point) Adjustment
on page 2-2 of the Mechanical Manual)
1) Playback the alignment tape (Color bar).
2) Press the ÒSW718 (TEST)Ó button on Main PCB to
set the adjustment mode. (See Fig. 2-2)
3) Press the Ò5Ó button of remote control then
adjustment is operated automatically. (See Fig. 2-1)
4) Connect the CH-1 probe to TP303 (Envelope) the
CH-2 probe to TP601 (HÕD switching pulse) and
then trigger to CH-1.
5) Insert the (-) driver into the X-Point adjustment
hole and adjust it so that envelope waveform is
maximum.
6) Turn the Power off.
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